diff --git a/README.md b/README.md
index 0646385..2e077c1 100644
--- a/README.md
+++ b/README.md
@@ -14,30 +14,42 @@ sensible defaults.
 
 - uses: Swatinem/rust-cache@v2
   with:
-    # An explicit cache key that is used instead of the automatic `job`-based
+    # The prefix cache key, this can be changed to start a new cache manually
+    # default: "v0-rust"
+    prefix-key: ""
+
+    # An additional cache key that is stable over multiple jobs
+    # that is used instead of the automatic `job`-based
     # cache key and is thus stable across jobs.
-    # Default: empty
+    # default: empty
     shared-key: ""
 
     # An additional cache key that is added alongside the automatic `job`-based
     # cache key and can be used to further differentiate jobs.
-    # Default: empty
+    # default: empty
     key: ""
 
     # A whitespace separated list of env-var *prefixes* who's value contributes
     # to the environment cache key.
     # The env-vars are matched by *prefix*, so the default `RUST` var will
     # match all of `RUSTC`, `RUSTUP_*`, `RUSTFLAGS`, `RUSTDOC_*`, etc.
-    # Default: "CARGO CC CFLAGS CXX CMAKE RUST"
+    # default: "CARGO CC CFLAGS CXX CMAKE RUST"
     env-vars: ""
 
     # The cargo workspaces and target directory configuration.
     # These entries are separated by newlines and have the form
     # `$workspace -> $target`. The `$target` part is treated as a directory
     # relative to the `$workspace` and defaults to "target" if not explicitly given.
-    # Default: ". -> target"
+    # default: ". -> target"
     workspaces: ""
 
+    # Additional non workspace directories, separated by newlines
+    cache-directories: ""
+
+    # Determines whether workspace targets are cached
+    # default: "false"
+    cache-targets: ""
+
     # Determines if the cache should be saved even when the workflow has failed.
     # Default: "false"
     cache-on-failure: ""
diff --git a/dist/restore/index.js b/dist/restore/index.js
index 0012890..d3965db 100644
--- a/dist/restore/index.js
+++ b/dist/restore/index.js
@@ -64545,7 +64545,7 @@ class CacheConfig {
         // Construct key prefix:
         // This uses either the `shared-key` input,
         // or the `key` input combined with the `job` key.
-        let key = `v0-rust`;
+        let key = lib_core.getInput("prefix-key");
         const sharedKey = lib_core.getInput("shared-key");
         if (sharedKey) {
             key += `-${sharedKey}`;
@@ -64630,7 +64630,15 @@ class CacheConfig {
             workspaces.push(new Workspace(root, target));
         }
         self.workspaces = workspaces;
-        self.cachePaths = [config_CARGO_HOME, ...workspaces.map((ws) => ws.target)];
+        self.cachePaths = [config_CARGO_HOME];
+        const cacheTargets = lib_core.getInput("cache-targets").toLowerCase();
+        if (cacheTargets === "true") {
+            self.cachePaths.push(...workspaces.map((ws) => ws.target));
+        }
+        const cacheDirectories = lib_core.getInput("cache-directories");
+        for (const dir of cacheDirectories.trim().split("\n")) {
+            self.cachePaths.push(dir);
+        }
         return self;
     }
     printInfo() {
diff --git a/dist/save/index.js b/dist/save/index.js
index c2802aa..3d7ab4d 100644
--- a/dist/save/index.js
+++ b/dist/save/index.js
@@ -64545,7 +64545,7 @@ class CacheConfig {
         // Construct key prefix:
         // This uses either the `shared-key` input,
         // or the `key` input combined with the `job` key.
-        let key = `v0-rust`;
+        let key = core.getInput("prefix-key");
         const sharedKey = core.getInput("shared-key");
         if (sharedKey) {
             key += `-${sharedKey}`;
@@ -64630,7 +64630,15 @@ class CacheConfig {
             workspaces.push(new Workspace(root, target));
         }
         self.workspaces = workspaces;
-        self.cachePaths = [CARGO_HOME, ...workspaces.map((ws) => ws.target)];
+        self.cachePaths = [CARGO_HOME];
+        const cacheTargets = core.getInput("cache-targets").toLowerCase();
+        if (cacheTargets === "true") {
+            self.cachePaths.push(...workspaces.map((ws) => ws.target));
+        }
+        const cacheDirectories = core.getInput("cache-directories");
+        for (const dir of cacheDirectories.trim().split("\n")) {
+            self.cachePaths.push(dir);
+        }
         return self;
     }
     printInfo() {